GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/amd/amd/pfs_ops.c Lines: 0 29 0.0 %
Date: 2016-12-06 Branches: 0 24 0.0 %

Line Branch Exec Source
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/*
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 * Copyright (c) 1989 Jan-Simon Pendry
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 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
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 * Copyright (c) 1989, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Jan-Simon Pendry at Imperial College, London.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	from: @(#)pfs_ops.c	8.1 (Berkeley) 6/6/93
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 *	$Id: pfs_ops.c,v 1.8 2014/10/26 03:28:41 guenther Exp $
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 */
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#include "am.h"
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#include <unistd.h>
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#ifdef HAS_PFS
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/*
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 * Program file system
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 */
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/*
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 * Execute needs a mount and unmount command.
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 */
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static char *
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pfs_match(am_opts *fo)
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{
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	char *prog;
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	if (!fo->opt_mount || !fo->opt_unmount) {
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		plog(XLOG_USER, "program: no mount/unmount specified");
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		return 0;
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	}
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	prog = strchr(fo->opt_mount, ' ');
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	return strdup(prog ? prog+1 : fo->opt_mount);
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}
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static int
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pfs_init(mntfs *mf)
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{
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	/*
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	 * Save unmount command
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	 */
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	if (mf->mf_refc == 1) {
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		mf->mf_private = strdup(mf->mf_fo->opt_unmount);
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		mf->mf_prfree = free;
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	}
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	return 0;
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}
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static int
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pfs_exec(char *info)
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{
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	char **xivec;
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	int error;
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	/*
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	 * Split copy of command info string
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	 */
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	info = strdup(info);
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	if (info == 0)
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		return ENOBUFS;
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	xivec = strsplit(info, ' ', '\'');
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	/*
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	 * Put stdout to stderr
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	 */
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	(void) fclose(stdout);
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	(void) dup(fileno(logfp));
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	if (fileno(logfp) != fileno(stderr)) {
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		(void) fclose(stderr);
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		(void) dup(fileno(logfp));
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	}
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	/*
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	 * Try the exec
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	 */
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#ifdef DEBUG
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	Debug(D_FULL) {
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		char **cp = xivec;
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		plog(XLOG_DEBUG, "executing (un)mount command...");
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		while (*cp) {
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			plog(XLOG_DEBUG, "arg[%d] = '%s'", cp-xivec, *cp);
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			cp++;
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		}
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	}
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#endif /* DEBUG */
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	if (xivec[0] == 0 || xivec[1] == 0) {
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		errno = EINVAL;
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		plog(XLOG_USER, "1st/2nd args missing to (un)mount program");
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	} else {
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		(void) execv(xivec[0], xivec+1);
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	}
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	/*
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	 * Save error number
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	 */
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	error = errno;
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	plog(XLOG_ERROR, "exec failed: %m");
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	/*
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	 * Free allocate memory
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	 */
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	free(info);
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	free(xivec);
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	/*
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	 * Return error
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	 */
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	return error;
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}
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static int
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pfs_fmount(mntfs *mf)
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{
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	return pfs_exec(mf->mf_fo->opt_mount);
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}
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static int
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pfs_fumount(mntfs *mf)
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{
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	return pfs_exec((char *) mf->mf_private);
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}
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/*
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 * Ops structure
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 */
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am_ops pfs_ops = {
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	"program",
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	pfs_match,
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	pfs_init,
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	auto_fmount,
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	pfs_fmount,
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	auto_fumount,
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	pfs_fumount,
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	efs_lookuppn,
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	efs_readdir,
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	0, /* pfs_readlink */
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	0, /* pfs_mounted */
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	0, /* pfs_umounted */
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	find_afs_srvr,
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	FS_BACKGROUND|FS_AMQINFO
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};
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#endif /* HAS_PFS */